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529 results for: coronavirus
- Health & Medicine
The COVID-19 pandemic is now a year old. What have scientists learned?
As we enter the pandemic’s second year, researchers share what they’ve learned and what they look forward to.
- Health & Medicine
How does the newly authorized Moderna COVID-19 vaccine compare to Pfizer’s?
The FDA has granted emergency use authorization to Moderna’s COVID-19 vaccine, bringing the number of vaccines available in the United States to two.
- Health & Medicine
New Pfizer results show its COVID-19 vaccine is nearly 95% effective
With final results – including showing its vaccine is 94 percent effective in the elderly – Pfizer is poised to request emergency use authorization.
- Health & Medicine
Some COVID-19 survivors face another foe: PTSD
The rate of post-traumatic stress disorder among survivors of severe COVID-19 is comparable to the rate among survivors of some natural disasters.
- Health & Medicine
A man in Hong Kong is the first confirmed case of coronavirus reinfection
During a 33-year-old man’s first round with the virus, he had symptoms, but not the second time — a hint his immune system protected him from disease.
- Space
How Russia’s war in Ukraine hinders space research and exploration
A Mars rover, an X-ray telescope and several low-Earth satellites are at risk in response to international sanctions on Russia.
- Health & Medicine
Lung cell images show how intense a coronavirus infection can be
Microscopic views reveal virus particles coating the hairlike cilia of an airway cell from the lungs.
- Health & Medicine
Treatments that target the coronavirus in the nose might help prevent COVID-19
Scientists are developing and testing ways to prevent the virus from settling in prime nasal real estate.
- Health & Medicine
Moderna says its COVID-19 vaccine is nearly 95 percent effective
Another coronavirus vaccine appears to be very effective in preventing people from developing COVID-19 symptoms.
- Health & Medicine
Pfizer’s COVID-19 vaccine is 90% effective, preliminary trial data show
An analysis of 94 COVID-19 cases shows that the mRNA-based vaccine can protect people from getting sick, though the trial is ongoing.
- Health & Medicine
Global inequity in COVID-19 vaccination is more than a moral problem
Wealthy countries are vaccinating at much higher rates than low-income countries. Such inequities could ultimately prolong the pandemic for all.
- Health & Medicine
After 40 years of AIDS, here’s why we still don’t have an HIV vaccine
The unique life cycle of HIV has posed major challenges for scientists in the search for an effective vaccine.
